<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="app">
    =={{msg}}==={{val}}=={{val2}}==={{val3}}==={{chk}}==={{gender}}
    <hr />
    <input type="text" v-model="val">
    <input type="checkbox" value="1" v-model="chk">
    <input type="checkbox" value="2" v-model="chk">
    <hr />
    男：<input type="radio" value="男" v-model="gender">
    女：<input type="radio" value="女" v-model="gender">
    <hr />
    <textarea v-model="val2"></textarea>
    <select v-model="val3">
      <option value="web">web</option>
      <option value="java">java</option>
      <option value="ui">ui</option>
    </select>
  </div>
  <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.14/vue.min.js"></script>
  <script>
    var vm = new Vue({
      el: "#app",
      data: {
        msg: 'hello  vue',
        val: '1',
        val2: '2',
        val3: 'web',
        chk: [1],
        gender: '男'
      },
    })

    // console.log(vm, 2222);
  </script>
</body>

</html>